Question

Two masses are connected by a string which passes over a pulley with negligible mass and friction. One mass hangs vertically and one mass slides on a frictionless 35.0 degrees incline. The vertically hanging mass is 7.15 kg and the mass on the incline is 4.20 kg (a) draw a complete FBD diagram for 2 masses. (b) what is the acceleration of the 4.20 kg mass?